13081040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 36640512

約数和(自身を除く): 23559472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 71, 80, 94, 98, 112, 140, 142, 188, 196, 235, 245, 280, 284, 329, 355, 376, 392, 470, 490, 497, 560, 568, 658, 710, 752, 784, 940, 980, 994, 1136, 1316, 1420, 1645, 1880, 1960, 1988, 2303, 2485, 2632, 2840, 3290, 3337, 3479, 3760, 3920, 3976, 4606, 4970, 5264, 5680, 6580, 6674, 6958, 7952, 9212, 9940, 11515, 13160, 13348, 13916, 16685, 17395, 18424, 19880, 23030, 23359, 26320, 26696, 27832, 33370, 34790, 36848, 39760, 46060, 46718, 53392, 55664, 66740, 69580, 92120, 93436, 116795, 133480, 139160, 163513, 184240, 186872, 233590, 266960, 278320, 327026, 373744, 467180, 654052, 817565, 934360, 1308104, 1635130, 1868720, 2616208, 3270260, 6540520, 13081040]

約数ペア:

[(1, 13081040), (2, 6540520), (4, 3270260), (5, 2616208), (7, 1868720), (8, 1635130), (10, 1308104), (14, 934360), (16, 817565), (20, 654052), (28, 467180), (35, 373744), (40, 327026), (47, 278320), (49, 266960), (56, 233590), (70, 186872), (71, 184240), (80, 163513), (94, 139160), (98, 133480), (112, 116795), (140, 93436), (142, 92120), (188, 69580), (196, 66740), (235, 55664), (245, 53392), (280, 46718), (284, 46060), (329, 39760), (355, 36848), (376, 34790), (392, 33370), (470, 27832), (490, 26696), (497, 26320), (560, 23359), (568, 23030), (658, 19880), (710, 18424), (752, 17395), (784, 16685), (940, 13916), (980, 13348), (994, 13160), (1136, 11515), (1316, 9940), (1420, 9212), (1645, 7952), (1880, 6958), (1960, 6674), (1988, 6580), (2303, 5680), (2485, 5264), (2632, 4970), (2840, 4606), (3290, 3976), (3337, 3920), (3479, 3760)]